hi, how to become my code faster?

this is my code:

VB Code:
  1. Private Sub cmdFeed_Click()
  2. Dim ln As Integer
  3. For ln = 1 To Len(txtMobileNumber.Text)
  4. Select Case Mid(txtMobileNumber.Text, ln, 1)
  5. Case "0"
  6. thex ("1F 00 10 D1 00 06 00 01 46 00 01 0A 03 97")
  7. pause (100)
  8. thex ("1F 00 10 D1 00 06 00 01 47 00 01 0C 04 97")
  9. pause (100)
  10. Case "1"
  11. thex ("1F 00 10 D1 00 06 00 01 46 00 01 01 03 9C")
  12. pause (100)
  13. thex ("1F 00 10 D1 00 06 00 01 47 00 01 0C 04 97")
  14. pause (100)
  15. Case "2"
  16. thex ("1F 00 10 D1 00 06 00 01 46 00 01 02 03 9F")
  17. pause (100)
  18. thex ("1F 00 10 D1 00 06 00 01 47 00 01 0C 04 97")
  19. pause (100)
  20. Case "3"
  21. thex ("1F 00 10 D1 00 06 00 01 46 00 01 03 03 9E")
  22. pause (100)
  23. thex ("1F 00 10 D1 00 06 00 01 47 00 01 0C 04 97")
  24. pause (100)
  25. End Select
  26. Next ln
  27. End Sub